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<FONT color="green">001</FONT>    package com.gwt.ss.client;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import com.google.gwt.core.client.GWT;<a name="line.3"></a>
<FONT color="green">004</FONT>    import com.google.gwt.user.client.rpc.AsyncCallback;<a name="line.4"></a>
<FONT color="green">005</FONT>    import com.google.gwt.user.client.rpc.ServiceDefTarget;<a name="line.5"></a>
<FONT color="green">006</FONT>    <a name="line.6"></a>
<FONT color="green">007</FONT>    public interface GwtLoginAsync {<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>        void j_gwt_security_check(String username, String password, boolean rememberMe, AsyncCallback&lt;Void&gt; callback);<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>        void j_gwt_security_check(String username, String password, boolean rememberMe, boolean forceLogout, AsyncCallback&lt;Void&gt; callback);<a name="line.11"></a>
<FONT color="green">012</FONT>        <a name="line.12"></a>
<FONT color="green">013</FONT>        /**<a name="line.13"></a>
<FONT color="green">014</FONT>         * Maintain singleton {@link GwtLoginAsync GwtLoginAsync} instance.&lt;br/&gt;<a name="line.14"></a>
<FONT color="green">015</FONT>         * 管控{@link GwtLoginAsync GwtLoginAsync}單一實例工具<a name="line.15"></a>
<FONT color="green">016</FONT>         */<a name="line.16"></a>
<FONT color="green">017</FONT>        public static final class Util {<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>            private static GwtLoginAsync instance;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>            private static String processUrl = "j_spring_security_check";<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>            public static String getProcessUrl() {<a name="line.23"></a>
<FONT color="green">024</FONT>                return processUrl;<a name="line.24"></a>
<FONT color="green">025</FONT>            }<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>            public static void setProcessUrl(String processUrl) {<a name="line.27"></a>
<FONT color="green">028</FONT>                assert processUrl != null &amp;&amp; !processUrl.isEmpty();<a name="line.28"></a>
<FONT color="green">029</FONT>                if (!Util.processUrl.equals(processUrl)) {<a name="line.29"></a>
<FONT color="green">030</FONT>                    Util.processUrl = processUrl;<a name="line.30"></a>
<FONT color="green">031</FONT>                    if (instance != null) {<a name="line.31"></a>
<FONT color="green">032</FONT>                        setServiceEntryPoint(instance, processUrl);<a name="line.32"></a>
<FONT color="green">033</FONT>                    }<a name="line.33"></a>
<FONT color="green">034</FONT>                }<a name="line.34"></a>
<FONT color="green">035</FONT>            }<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>            private static void setServiceEntryPoint(GwtLoginAsync instance, String processUrl) {<a name="line.37"></a>
<FONT color="green">038</FONT>                ServiceDefTarget target = (ServiceDefTarget) instance;<a name="line.38"></a>
<FONT color="green">039</FONT>                if (!processUrl.toLowerCase().matches("^https?://.*")) {<a name="line.39"></a>
<FONT color="green">040</FONT>                    String hpbl = GWT.getHostPageBaseURL();<a name="line.40"></a>
<FONT color="green">041</FONT>                    int idx = hpbl.indexOf("//");<a name="line.41"></a>
<FONT color="green">042</FONT>                    String hostContextPath = hpbl.substring(0, idx + 2);<a name="line.42"></a>
<FONT color="green">043</FONT>                    hpbl = hpbl.substring(idx + 2);<a name="line.43"></a>
<FONT color="green">044</FONT>                    idx = hpbl.indexOf("/");<a name="line.44"></a>
<FONT color="green">045</FONT>                    if (idx &gt; -1) {<a name="line.45"></a>
<FONT color="green">046</FONT>                        hostContextPath += hpbl.substring(0, idx + 1);<a name="line.46"></a>
<FONT color="green">047</FONT>                        hpbl = hpbl.substring(idx + 1);<a name="line.47"></a>
<FONT color="green">048</FONT>                        idx = hpbl.indexOf("/");<a name="line.48"></a>
<FONT color="green">049</FONT>                        if (idx &gt; -1) {<a name="line.49"></a>
<FONT color="green">050</FONT>                            hostContextPath += hpbl.substring(0, idx);<a name="line.50"></a>
<FONT color="green">051</FONT>                        } else {<a name="line.51"></a>
<FONT color="green">052</FONT>                            hostContextPath += hpbl;<a name="line.52"></a>
<FONT color="green">053</FONT>                        }<a name="line.53"></a>
<FONT color="green">054</FONT>                    } else {<a name="line.54"></a>
<FONT color="green">055</FONT>                        hostContextPath += hpbl;<a name="line.55"></a>
<FONT color="green">056</FONT>                    }<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>                    if (!hostContextPath.endsWith("/")) {<a name="line.58"></a>
<FONT color="green">059</FONT>                        hostContextPath += "/";<a name="line.59"></a>
<FONT color="green">060</FONT>                    }<a name="line.60"></a>
<FONT color="green">061</FONT>                    if (processUrl == null || processUrl.equals("") || processUrl.equals("/")) {<a name="line.61"></a>
<FONT color="green">062</FONT>                        processUrl = "";<a name="line.62"></a>
<FONT color="green">063</FONT>                    } else if (processUrl.startsWith("/")) {<a name="line.63"></a>
<FONT color="green">064</FONT>                        processUrl = processUrl.substring(1);<a name="line.64"></a>
<FONT color="green">065</FONT>                    }<a name="line.65"></a>
<FONT color="green">066</FONT>                    processUrl = hostContextPath + processUrl;<a name="line.66"></a>
<FONT color="green">067</FONT>                }<a name="line.67"></a>
<FONT color="green">068</FONT>                target.setServiceEntryPoint(processUrl);<a name="line.68"></a>
<FONT color="green">069</FONT>                GWT.log("Set Login Service Entry Point as " + target.getServiceEntryPoint());<a name="line.69"></a>
<FONT color="green">070</FONT>            }<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>            /**<a name="line.72"></a>
<FONT color="green">073</FONT>             * return {@link GwtLoginAsync GwtLoginAsync} instance with specified service entry point.&lt;br/&gt;<a name="line.73"></a>
<FONT color="green">074</FONT>             * 指定服務進入點並取得{@link GwtLoginAsync GwtLoginAsync} 實例<a name="line.74"></a>
<FONT color="green">075</FONT>             * @param processUrl Spring login processing url<a name="line.75"></a>
<FONT color="green">076</FONT>             * @return the instance.<a name="line.76"></a>
<FONT color="green">077</FONT>             */<a name="line.77"></a>
<FONT color="green">078</FONT>            public static GwtLoginAsync getInstance(String processUrl) {<a name="line.78"></a>
<FONT color="green">079</FONT>                assert processUrl != null &amp;&amp; !processUrl.isEmpty();<a name="line.79"></a>
<FONT color="green">080</FONT>                setProcessUrl(processUrl);<a name="line.80"></a>
<FONT color="green">081</FONT>                return getInstance();<a name="line.81"></a>
<FONT color="green">082</FONT>            }<a name="line.82"></a>
<FONT color="green">083</FONT>    <a name="line.83"></a>
<FONT color="green">084</FONT>            /**<a name="line.84"></a>
<FONT color="green">085</FONT>             * return {@link GwtLoginAsync GwtLoginAsync} instance with default service entry point<a name="line.85"></a>
<FONT color="green">086</FONT>             * &amp;quot;j_spring_security_check&amp;quot;&lt;br/&gt;<a name="line.86"></a>
<FONT color="green">087</FONT>             * 取得預設進入點為&amp;quot;j_spring_security_check&amp;quot;之{@link GwtLoginAsync GwtLoginAsync} 實例<a name="line.87"></a>
<FONT color="green">088</FONT>             * @return the instance.<a name="line.88"></a>
<FONT color="green">089</FONT>             */<a name="line.89"></a>
<FONT color="green">090</FONT>            public static GwtLoginAsync getInstance() {<a name="line.90"></a>
<FONT color="green">091</FONT>                if (instance == null) {<a name="line.91"></a>
<FONT color="green">092</FONT>                    instance = (GwtLoginAsync) GWT.create(GwtLogin.class);<a name="line.92"></a>
<FONT color="green">093</FONT>                    setServiceEntryPoint(instance, getProcessUrl());<a name="line.93"></a>
<FONT color="green">094</FONT>                }<a name="line.94"></a>
<FONT color="green">095</FONT>                return instance;<a name="line.95"></a>
<FONT color="green">096</FONT>            }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>            private Util() {<a name="line.98"></a>
<FONT color="green">099</FONT>                // Utility class should not be instanciated<a name="line.99"></a>
<FONT color="green">100</FONT>            }<a name="line.100"></a>
<FONT color="green">101</FONT>        }<a name="line.101"></a>
<FONT color="green">102</FONT>    }<a name="line.102"></a>




























































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